.nm-app-header--editor {
    padding-inline: 0.75rem;
}

.nm-editor-header-leading,
.nm-editor-header-actions {
    display: flex;
    align-items: center;
}

.nm-editor-header-leading {
    gap: 0.5rem;
}

.nm-editor-header-actions {
    gap: 0.5rem;
    flex: none;
}

.nm-app-header-utility-icon-button,
.nm-editor-header-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    color: #f8fafc;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    box-shadow: none;
    transition:
        background-color 120ms ease,
        border-color 120ms ease;
}

.nm-app-header-utility-icon-button:hover,
.nm-editor-header-icon-button:hover {
    background-color: rgb(255 255 255 / 0.1);
    border-color: transparent;
}

.nm-app-header-utility-icon-button:active,
.nm-editor-header-icon-button:active {
    background-color: rgb(255 255 255 / 0.16);
    border-color: transparent;
}

.nm-app-header-utility-icon-button:focus-visible,
.nm-editor-header-icon-button:focus-visible,
.nm-editor-header-status-link:focus-visible {
    outline: 2px solid #93c5fd;
    outline-offset: 2px;
}

.nm-editor-header-icon {
    width: 1.5rem;
    height: 1.5rem;
    filter: invert(1) brightness(1.1);
}

.nm-editor-header-title-region {
    width: min(42vw, 42rem);
}

.nm-editor-header-title {
    overflow: hidden;
    color: #f8fafc;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.015em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nm-editor-header-view-badge {
    display: inline-flex;
    align-items: center;
    flex: none;
    min-height: 1.75rem;
    padding: 0.25rem 0.5rem;
    color: #bfdbfe;
    background-color: rgb(37 99 235 / 0.2);
    border: 1px solid rgb(96 165 250 / 0.5);
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
}

.nm-editor-header-status-link {
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.375rem 0.625rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    transition:
        background-color 120ms ease,
        border-color 120ms ease;
}

.nm-editor-header-status-link--warning {
    color: #78350f;
    background-color: #fef3c7;
    border-color: #fcd34d;
}

.nm-editor-header-status-link--warning:hover {
    background-color: #fde68a;
    border-color: #f59e0b;
}

.nm-editor-header-status-link--upgrade {
    color: #eff6ff;
    background-color: #2563eb;
    border-color: #60a5fa;
}

.nm-editor-header-status-link--upgrade:hover {
    background-color: #1d4ed8;
    border-color: #93c5fd;
}

.nm-app-header-brand-row {
    gap: 0.5rem;
}

.nm-app-header-logo {
    height: 1.5rem;
}

.nm-app-header-context {
    font-size: 0.625rem;
}

.nm-app-header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    box-shadow: none;
    transition:
        background-color 120ms ease,
        border-color 120ms ease,
        color 120ms ease;
}

.nm-app-header-btn:focus-visible {
    outline: 2px solid #93c5fd;
    outline-offset: 2px;
}

.nm-app-header-btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    box-shadow: none;
}

.nm-app-header-btn.hidden {
    display: none;
}

.nm-app-header-btn--primary {
    color: #1d4ed8;
    background-color: #eff6ff;
    border-color: #93c5fd;
}

.nm-app-header-btn--primary:hover {
    background-color: #dbeafe;
    border-color: #60a5fa;
}

.nm-app-header-btn--secondary {
    color: #374151;
    background-color: #f9fafb;
    border-color: #d1d5db;
}

.nm-app-header-btn--secondary:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
}

.dark .nm-app-header-btn--primary {
    color: #bfdbfe;
    background-color: rgb(37 99 235 / 0.2);
    border-color: rgb(96 165 250 / 0.55);
}

.dark .nm-app-header-btn--secondary {
    color: #e5e7eb;
    background-color: rgb(255 255 255 / 0.06);
    border-color: rgb(255 255 255 / 0.18);
}

.nm-app-header-actions {
    position: fixed;
    top: 60px;
    left: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    width: 100%;
    height: 48px;
    padding: 0 1rem;
    background-color: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
}

.nm-app-header-actions--empty {
    display: none !important;
}

.dark .nm-app-header-actions {
    background-color: #111827;
    border-color: #374151;
}

.nm-app-header-spacer {
    height: 108px;
}

.nm-app-header-spacer--compact {
    height: 60px;
}

@media (min-width: 640px) {
    .nm-app-header--editor {
        padding-inline: 1.5rem;
    }

    .nm-editor-header-leading,
    .nm-editor-header-actions {
        gap: 0.75rem;
    }

    .nm-editor-header-title {
        font-size: 1.125rem;
    }

    .nm-editor-header-status-link {
        padding-inline: 0.75rem;
        font-size: 0.8125rem;
    }

    .nm-app-header-brand-row {
        gap: 0.75rem;
    }

    .nm-app-header-logo {
        height: 2rem;
    }

    .nm-app-header-context {
        font-size: 0.75rem;
    }

    .nm-app-header-btn {
        min-height: 2rem;
        padding: 0.4rem 0.85rem;
        color: #f8fafc;
        background-color: rgb(255 255 255 / 0.08);
        border-color: rgb(255 255 255 / 0.2);
        box-shadow: none;
    }

    .nm-app-header-btn:hover {
        color: #fff;
        background-color: rgb(255 255 255 / 0.15);
        border-color: rgb(255 255 255 / 0.35);
        box-shadow: none;
    }

    .nm-app-header-btn--primary {
        color: #bfdbfe;
        background-color: rgb(37 99 235 / 0.24);
        border-color: rgb(96 165 250 / 0.65);
    }

    .nm-app-header-btn--primary:hover {
        color: #dbeafe;
        background-color: rgb(37 99 235 / 0.38);
        border-color: #60a5fa;
    }

    .nm-app-header-btn--secondary {
        color: #f8fafc;
        background-color: rgb(255 255 255 / 0.08);
        border-color: rgb(255 255 255 / 0.2);
    }

    .nm-app-header-btn--secondary:hover {
        color: #fff;
        background-color: rgb(255 255 255 / 0.15);
        border-color: rgb(255 255 255 / 0.35);
    }

    .nm-app-header-actions {
        position: static;
        width: auto;
        height: auto;
        padding: 0;
        background-color: transparent;
        border: 0;
    }

    .dark .nm-app-header-actions {
        background-color: transparent;
        border-color: transparent;
    }

    .nm-app-header-spacer {
        height: 60px;
    }
}

@media (pointer: coarse) {
    .nm-app-header-btn {
        min-height: 2.75rem;
    }

    .nm-app-header-utility-icon-button,
    .nm-editor-header-icon-button {
        width: 2.75rem;
        height: 2.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nm-app-header-utility-icon-button,
    .nm-app-header-btn,
    .nm-app-header--editor .nm-editor-header-icon-button,
    .nm-app-header--editor .nm-editor-header-status-link {
        transition: none;
    }
}

.nm-app-header-btn.nm-app-header-btn--warning {
    color: #78350f;
    background-color: #fef3c7;
    border-color: #fcd34d;
}

.nm-app-header-btn.nm-app-header-btn--warning:hover {
    color: #78350f;
    background-color: #fde68a;
    border-color: #f59e0b;
}

.dark .nm-app-header-btn.nm-app-header-btn--warning {
    color: #fef3c7;
    background-color: rgb(217 119 6 / 0.28);
    border-color: rgb(251 191 36 / 0.7);
}

/* Phase 5-H3.8: keep repeated catalog result cards flat without changing their DOM/behavior. */
.nm-aux-page--catalog #skill-list-results .content-card,
.nm-aux-page--catalog #setting-list-results .content-card {
    box-shadow: none;
}